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API gateway

Concept

An API gateway is a single entry point between clients and backend services that centrally handles routing, authentication, rate limiting, load balancing and request/response transformation.

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Title graphic: API gateway (Concept)
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Key points about API gateway

Episodes about API gateway

API Gateway - Simply Explained

2026-07-15 · Video on YouTube

An API Gateway is the front door to modern applications, acting as a single entry point for all API requests before they reach backend services. In this episode, we explain what an API Gateway is, why it's essential in cloud-native and microservices…

Azure API Management - Simply Explained

2026-07-16 · Video on YouTube

Azure API Management (APIM) is one of the most important services in Microsoft Azure for organizations building modern cloud applications, microservices, and enterprise integrations. As the number of APIs grows, managing security, authentication, monitoring…

Extend Microsoft Fabric with Custom APIs and Power BI…

2025-08-08 · Video on YouTube

Fabric’s UI is great for quick wins—but it hits limits with niche data sources, complex business logic, and real-time automation. The way through is building custom API integrations (secure, least-privilege, monitored) and surfacing them with Power BI…

Automate Microsoft 365 with Microsoft Graph API

2025-08-05 · Video on YouTube

Microsoft 365 looks like apps—Outlook, Teams, SharePoint. The real power is the Microsoft Graph API: one gateway to automate onboarding, sync calendars, govern groups, and ship dashboards the admin centers can’t. In this episode, I show you how Graph actually…

2025-08-05 – Automate Microsoft 365 with Microsoft Graph API2025-08-08 – Extend Microsoft Fabric with Custom APIs and Power BI…2026-07-15 – API Gateway - Simply Explained2026-07-16 – Azure API Management - Simply Explained2025-082026-07
Timeline of episodes about API gateway

Articles about API gateway (2)

Frequently asked questions

What is an API gateway?

An API gateway is a single entry point for client requests to backend services. It handles routing, security, authentication, throttling and transformation. · From the episode: API Gateway - Simply Explained

Do I need an API gateway?

If you keep adding services and directing traffic between them becomes a nightmare, a gateway helps by giving one front door with central policies. · From the episode: API Gateway - Simply Explained

What is the difference between an API gateway and Azure API Management?

In Azure, API Management is the solid choice: it gives you a gateway plus management, a developer portal and analytics. The episode says the pattern matters more than the tool. · From the episode: API Gateway - Simply Explained

What should I centralize first in an API gateway?

Authentication. The episode calls centralized authentication the smartest first move, followed by moving one small thing behind the gateway. · From the episode: API Gateway - Simply Explained

What is Azure API Management?

Azure API Management is a service to publish, secure and manage APIs. It consists of an API gateway, a management plane and a developer portal. · From the episode: Azure API Management - Simply Explained

Glossary

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Sources

Maintained by Mirko Peters (Microsoft MVP) · Last updated: